#include <bits/stdc++.h>
using namespace std;
struct Cross {
uint64_t inner, outer;
};
uint64_t SelectCross(int32_t K, vector<int32_t> I, vector<int32_t> O) {
const uint32_t N = I.size();
vector<Cross> crosses(N);
for (uint32_t i = 0; i < N; i++) {
crosses[i].inner = I[i];
crosses[i].outer = O[i];
}
sort(crosses.begin(), crosses.end(), [](Cross a, Cross b) {
return a.inner > b.inner;
});
// Comparator for priority queue that will force the smallest outer to the top
const auto cmp = [](Cross a, Cross b) {
return a.outer > b.outer;
};
// Priority queue that keeps the k Cross elements with the largest
// outer diameter out of the ones that we have processed so far.
// And allows popping the one with the smallest outer diameter.
priority_queue<Cross, vector<Cross>, decltype(cmp)> q(cmp);
// Keep track of the best area so far
uint64_t best_area = 0;
for(const auto &c : crosses) {
q.push(c);
if (q.size() < static_cast<uint32_t>(K)) {
continue;
} else if (q.size() > static_cast<uint32_t>(K)) {
q.pop();
}
const auto inner_size = c.inner;
const auto outer_size = q.top().outer;
best_area = max(best_area, 2 * inner_size * outer_size - inner_size * inner_size);
}
return best_area;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
300 KB |
Output is correct |
| 4 |
Correct |
1 ms |
276 KB |
Output is correct |
| 5 |
Correct |
4 ms |
852 KB |
Output is correct |
| 6 |
Correct |
57 ms |
9896 KB |
Output is correct |
| 7 |
Correct |
56 ms |
9852 KB |
Output is correct |
| 8 |
Correct |
56 ms |
9868 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
300 KB |
Output is correct |
| 4 |
Correct |
1 ms |
276 KB |
Output is correct |
| 5 |
Correct |
4 ms |
852 KB |
Output is correct |
| 6 |
Correct |
57 ms |
9896 KB |
Output is correct |
| 7 |
Correct |
56 ms |
9852 KB |
Output is correct |
| 8 |
Correct |
56 ms |
9868 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
4 ms |
852 KB |
Output is correct |
| 13 |
Correct |
30 ms |
5584 KB |
Output is correct |
| 14 |
Correct |
67 ms |
10504 KB |
Output is correct |
| 15 |
Correct |
57 ms |
10540 KB |
Output is correct |
| 16 |
Correct |
57 ms |
10424 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
300 KB |
Output is correct |
| 4 |
Correct |
1 ms |
276 KB |
Output is correct |
| 5 |
Correct |
4 ms |
852 KB |
Output is correct |
| 6 |
Correct |
57 ms |
9896 KB |
Output is correct |
| 7 |
Correct |
56 ms |
9852 KB |
Output is correct |
| 8 |
Correct |
56 ms |
9868 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
4 ms |
852 KB |
Output is correct |
| 13 |
Correct |
30 ms |
5584 KB |
Output is correct |
| 14 |
Correct |
67 ms |
10504 KB |
Output is correct |
| 15 |
Correct |
57 ms |
10540 KB |
Output is correct |
| 16 |
Correct |
57 ms |
10424 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
4 ms |
1364 KB |
Output is correct |
| 20 |
Correct |
34 ms |
5864 KB |
Output is correct |
| 21 |
Correct |
47 ms |
7360 KB |
Output is correct |
| 22 |
Correct |
60 ms |
8724 KB |
Output is correct |
| 23 |
Correct |
64 ms |
8756 KB |
Output is correct |
| 24 |
Correct |
68 ms |
9592 KB |
Output is correct |
| 25 |
Correct |
65 ms |
14536 KB |
Output is correct |
| 26 |
Correct |
58 ms |
14584 KB |
Output is correct |
